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# Copyright (c) 2020-2021 The Regents of the University of California
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"""File contains the some helper functions with common queries for artifacts
in the ArtifactDB.
"""
from typing import Iterator
from ._artifactdb import ArtifactDB
from .artifact import Artifact
def _getByType(db: ArtifactDB, typ: str, limit: int = 0) -> Iterator[Artifact]:
"""Returns a generator of Artifacts with matching `type` from the db.
Limit specifies the maximum number of results to return.
"""
data = db.searchByType(typ, limit=limit)
for d in data:
yield Artifact(d)
def getDiskImages(db: ArtifactDB, limit: int = 0) -> Iterator[Artifact]:
"""Returns a generator of disk images (type = disk image).
Limit specifies the maximum number of results to return.
"""
return _getByType(db, "disk image", limit)
def getgem5Binaries(db: ArtifactDB, limit: int = 0) -> Iterator[Artifact]:
"""Returns a generator of gem5 binaries (type = gem5 binary).
Limit specifies the maximum number of results to return.
"""
return _getByType(db, "gem5 binary", limit)
def getLinuxBinaries(db: ArtifactDB, limit: int = 0) -> Iterator[Artifact]:
"""Returns a generator of Linux kernel binaries (type = kernel).
Limit specifies the maximum number of results to return.
"""
return _getByType(db, "kernel", limit)
def getByName(db: ArtifactDB, name: str, limit: int = 0) -> Iterator[Artifact]:
"""Returns all objects mathching `name` in database.
Limit specifies the maximum number of results to return.
"""
data = db.searchByName(name, limit=limit)
for d in data:
yield Artifact(d)